皮皮学，免费搜题
登录
搜题
【单选题】
MCS-51单片机的晶振频率为6MHz,采用内部定时计数器T0实现30ms的定时,则计数初值为( )。
A.
C566H
B.
C568H
C.
C56AH
D.
C56CH
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Conversation 1 15.A. Making a sales plan C. Doing a market survey B. Preparing an annual report D. Writing a business letter
A.
Making a sales plan
B.
Preparing an annual report
C.
Doing a market survey
D.
Writing a business letter
查看完整题目与答案
【多选题】肾脏的生理功能有
A.
排出代谢终产物及进入体内的异物
B.
调节水、电解质平衡
C.
分泌生物活性物质
D.
调节酸碱平衡
E.
调节体液渗透压
查看完整题目与答案
【多选题】肾脏的生理功能有
A.
生成尿液，排泄大量代谢终产物
B.
参与调节水、电解质平衡
C.
分泌肾素
D.
分泌血管升压素
E.
参与调节酸碱平衡
查看完整题目与答案
【单选题】蕨类植物属于()
A.
维管植物
B.
低等植物
C.
无胚植物
D.
无颈卵器
查看完整题目与答案
【单选题】What should one do when writing a business email?
A.
Make it as short as possible.
B.
Use simple and clear language.
C.
Adopt an informal style of writing.
D.
Avoid using capitals for emphasis
查看完整题目与答案
【单选题】Why is the PEP useful in writing a business plan for starting a company?
A.
It explains your motivation and your competencies.
B.
It explains how much money you need.
C.
It explains when you will sell the company.
D.
It explains how you will set up a Board of Directors.
E.
It explains who will help you.
查看完整题目与答案
【单选题】A survey was carried out on the death rate of new born babies in that region, ______ were surprising.
A.
as results
B.
which results
C.
the results of it
D.
the results of which
查看完整题目与答案
【单选题】A survey was carried out on the death rate of new-born babies in that region, the results of which were surprising.
A.
一项关于新生儿死亡率的调查在那个地区被展开，结果令人惊讶。
B.
一项关于那个地区新生儿死亡率的调查被执行，结果令人惊讶。
C.
那个地区的新生儿死亡率的调查表令人惊讶。
D.
在那个地区进行了一次新生儿死亡率调查，结果令人惊讶。
查看完整题目与答案
【多选题】肾脏的生理功能有
A.
排泄
B.
调节酸碱平衡
C.
调节水盐平衡
D.
分泌生物活性物质
查看完整题目与答案
【简答题】Android中新建.java文件应该放在()文件夹下
查看完整题目与答案
相关题目：
【单选题】Conversation 1 15.A. Making a sales plan C. Doing a market survey B. Preparing an annual report D. Writing a business letter
A.
Making a sales plan
B.
Preparing an annual report
C.
Doing a market survey
D.
Writing a business letter
查看完整题目与答案
【多选题】肾脏的生理功能有
A.
排出代谢终产物及进入体内的异物
B.
调节水、电解质平衡
C.
分泌生物活性物质
D.
调节酸碱平衡
E.
调节体液渗透压
查看完整题目与答案
【多选题】肾脏的生理功能有
A.
生成尿液，排泄大量代谢终产物
B.
参与调节水、电解质平衡
C.
分泌肾素
D.
分泌血管升压素
E.
参与调节酸碱平衡
查看完整题目与答案
【单选题】蕨类植物属于()
A.
维管植物
B.
低等植物
C.
无胚植物
D.
无颈卵器
查看完整题目与答案
【单选题】What should one do when writing a business email?
A.
Make it as short as possible.
B.
Use simple and clear language.
C.
Adopt an informal style of writing.
D.
Avoid using capitals for emphasis
查看完整题目与答案
【单选题】Why is the PEP useful in writing a business plan for starting a company?
A.
It explains your motivation and your competencies.
B.
It explains how much money you need.
C.
It explains when you will sell the company.
D.
It explains how you will set up a Board of Directors.
E.
It explains who will help you.
查看完整题目与答案
【单选题】A survey was carried out on the death rate of new born babies in that region, ______ were surprising.
A.
as results
B.
which results
C.
the results of it
D.
the results of which
查看完整题目与答案
【单选题】A survey was carried out on the death rate of new-born babies in that region, the results of which were surprising.
A.
一项关于新生儿死亡率的调查在那个地区被展开，结果令人惊讶。
B.
一项关于那个地区新生儿死亡率的调查被执行，结果令人惊讶。
C.
那个地区的新生儿死亡率的调查表令人惊讶。
D.
在那个地区进行了一次新生儿死亡率调查，结果令人惊讶。
查看完整题目与答案
【多选题】肾脏的生理功能有
A.
排泄
B.
调节酸碱平衡
C.
调节水盐平衡
D.
分泌生物活性物质
查看完整题目与答案
【简答题】Android中新建.java文件应该放在()文件夹下
查看完整题目与答案